PETERSON, G. L. (1985). Algebra And Trigonometry Gary L. Peterson. Wadsworth.
Lua i Stíl Chicago (17ú heag.)PETERSON, Gary L. Algebra And Trigonometry Gary L. Peterson. Wadsworth, 1985.
Lua MLA (8ú heag.)PETERSON, Gary L. Algebra And Trigonometry Gary L. Peterson. Wadsworth, 1985.
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